Hello,
We have recently turned up a GigE link (~5 miles) between our two
facilities. The carrier, Time W, is using Luxn 3202 optical access devices
as termination gear on each end of the link. The luxns in turn
connect via GigE to two cisco 7507 GEIP (we know about GEIP vs GEIP+).
diagram
10 ft 5 mile 10 ft
cisco7507----- Lyxn 200===CO=====Luxn 1019 ------cisco7507-1019
^^^ ^^^ ^^^
multi-mode single-mode multi-mode
The Cisco 7507 gigE port at 1019 sees alot of Giant packets and
%OSPF-4-ERRRCV errors suggesting that the ethernet frames are getting
corrupted.
MTU on each cisco is 1500 and the link is forced to 1000. We consistently
see packet losses of 10-20% with no load at all.
If anyone has any experience with Luxn gear and/or Luxn-cisco
interconnection please contact me off list.
thanks
ak
-----------------details--------------------------
interface GigabitEthernet5/0/0
ip address X.X.X.1 255.255.255.252
ip route-cache distributed
load-interval 30
no negotiation auto
GigabitEthernet5/0/0 is up, line protocol is up
Hardware is cyBus GigabitEthernet Interface, address is 0050.73a0.bda0
Internet address is X.X.X.2/30
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex mode, link type is force-up, media type is SX
output flow-control is unsupported, input flow-control is unsupported
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:07, output 00:00:01, output hang never
Last clearing of "show interface" counters 1d19h
Queueing strategy: fifo
Output queue 0/40, 0 drops; input queue 0/75, 0 drops
30 second input rate 0 bits/sec, 1 packets/sec
30 second output rate 1000 bits/sec, 1 packets/sec
351887 packets input, 43900564 bytes, 0 no buffer
Received 34773 broadcasts, 0 runts, 1028 giants, 0 throttles
0 input errors, 0 CRC, 73419 frame, 0 overrun, 0 ignored
0 watchdog, 19308 multicast, 0 pause input
0 input packets with dribble condition detected
181113587 packets output, 2653176686 bytes, 0 underruns(0/0/0)
0 output errors, 0 collisions, 3 interface resets
0 babbles, 0 late collision, 0 deferred
2 lost carrier, 0 no carrier, 0 pause output
0 output buffer failures, 0 output buffers swapped out